Color

#bcb306

#bcb306
hex#bcb306
rgbrgb(188, 179, 6)
hslhsl(57, 94%, 38%)
oklchoklch(0.75 0.159 106)
Closest name: Celery (#b4c04c)Relative luminance 0.4294

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#060fbc

#bc5806 · #6abc06

#06bcb3 · #b306bc

Split-complementary

Open in tool →

#066abc · #5806bc

#06bc58 · #060fbc · #bc066a

Contrast

#bcb306 as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #7c7604 as the text (4.72:1)
  • AAA: use #5e5903 as the text (7.23:1)
  • AA: or shift the background to #424242 (4.59:1)
  • AAA: or shift the background to #242424 (7.09:1)
Aaon black
9.59:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bcb306 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#bcb306 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bcb306
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #bcb306 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcb306-bcbea2-4e9bdf-282d1f-f1ede9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md